/* Portal (login/instructor/student) — reuses styles.css design tokens,
   loaded alongside it, adds dashboard-shaped layout on top. */

.portal-body {
  background: var(--foam);
  min-height: 100vh;
}

/* Auth card (login.html) */
.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.auth-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px;
  width: 100%;
  max-width: 420px;
}
.auth-card .logo { justify-content: center; margin-bottom: 24px; display: flex; }
.auth-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  background: var(--foam);
  border-radius: 999px;
  padding: 4px;
}
.auth-tab {
  flex: 1;
  text-align: center;
  padding: 10px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  background: none;
  color: var(--muted);
}
.auth-tab.active { background: var(--white); color: var(--deep); box-shadow: 0 2px 6px rgba(11, 61, 92, 0.15); }
.auth-form { display: none; }
.auth-form.active { display: block; }
.auth-message {
  margin-top: 16px;
  font-weight: 600;
  font-size: 0.9rem;
  min-height: 1.2em;
}
.auth-message.error { color: #b3261e; }
.auth-message.success { color: #1a7a4c; }
.auth-message.pending { color: var(--blue); }

/* Dashboard shell (instructor.html / student.html) */
.portal-topbar {
  background: var(--white);
  border-bottom: 1px solid rgba(11, 61, 92, 0.08);
  padding: 16px 0;
}
.portal-topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.portal-user-info { display: flex; align-items: center; gap: 16px; }
.portal-user-info span { font-weight: 600; color: var(--muted); font-size: 0.9rem; }
.btn-signout {
  background: none;
  border: 1px solid rgba(11, 61, 92, 0.3);
  color: var(--deep);
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
}
.btn-signout:hover { background: rgba(11, 61, 92, 0.06); }

.portal-main { padding: 32px 0 64px; }

.portal-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}
.portal-tab {
  padding: 10px 20px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  border: 2px solid transparent;
  background: var(--white);
  color: var(--muted);
  box-shadow: var(--shadow);
}
.portal-tab.active { background: var(--deep); color: var(--white); }

.portal-panel { display: none; }
.portal-panel.active { display: block; }

.portal-card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  margin-bottom: 24px;
}
.portal-card h2 { font-size: 1.2rem; margin-bottom: 4px; }
.portal-card .card-sub { color: var(--muted); font-size: 0.9rem; margin-bottom: 20px; }

.status-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.status-badge.pending { background: #fff3cd; color: #8a6300; }
.status-badge.active { background: #d4f4e2; color: #1a7a4c; }
.status-badge.rejected { background: #fbdada; color: #b3261e; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
.data-table th {
  text-align: left;
  padding: 10px 12px;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-bottom: 2px solid var(--foam);
}
.data-table td {
  padding: 12px;
  border-bottom: 1px solid var(--foam);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }

.btn-tiny {
  padding: 6px 14px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.78rem;
  border: none;
  cursor: pointer;
  margin-right: 6px;
}
.btn-approve { background: #1a7a4c; color: var(--white); }
.btn-reject { background: #b3261e; color: var(--white); }
.btn-confirm { background: var(--teal); color: var(--white); }
.btn-tiny:hover { opacity: 0.85; }
.btn-tiny:disabled { opacity: 0.4; cursor: not-allowed; }

.student-select {
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid rgba(11, 61, 92, 0.25);
  font-family: inherit;
  font-size: 0.95rem;
  margin-bottom: 20px;
  width: 100%;
  max-width: 340px;
}

.upload-dropzone {
  border: 2px dashed rgba(11, 61, 92, 0.28);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  color: var(--muted);
  margin-bottom: 16px;
}
.upload-dropzone input[type="file"] { margin-top: 12px; }

.doc-list, .progress-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.doc-row, .progress-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--foam);
  border-radius: 10px;
  font-size: 0.9rem;
}
.doc-row a, .progress-row a { color: var(--teal); font-weight: 700; text-decoration: none; }
.progress-row .progress-caption { color: var(--muted); font-size: 0.85rem; margin-top: 2px; }

.membership-summary {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.membership-stat {
  background: var(--foam);
  border-radius: var(--radius);
  padding: 18px 24px;
  min-width: 160px;
}
.membership-stat .stat-label { font-size: 0.78rem; text-transform: uppercase; color: var(--muted); letter-spacing: 0.03em; }
.membership-stat .stat-value { font-size: 1.3rem; font-weight: 800; color: var(--deep); margin-top: 4px; }

/* Chat widget (student.html only) */
.chat-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 60;
}
.chat-toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--teal);
  color: var(--white);
  border: none;
  box-shadow: var(--shadow);
  cursor: pointer;
  font-size: 1.4rem;
}
.chat-panel {
  display: none;
  position: fixed;
  bottom: 92px;
  right: 24px;
  width: min(380px, calc(100vw - 48px));
  height: min(520px, calc(100vh - 140px));
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.25);
  display: none;
  flex-direction: column;
  overflow: hidden;
}
.chat-panel.open { display: flex; }
.chat-header {
  background: var(--deep);
  color: var(--white);
  padding: 14px 18px;
  font-weight: 700;
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.chat-msg { max-width: 85%; padding: 10px 14px; border-radius: 12px; font-size: 0.88rem; line-height: 1.45; }
.chat-msg.user { align-self: flex-end; background: var(--teal); color: var(--white); }
.chat-msg.assistant { align-self: flex-start; background: var(--foam); color: var(--ink); }
.chat-input-row {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-top: 1px solid var(--foam);
}
.chat-input-row input {
  flex: 1;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(11, 61, 92, 0.25);
  font-family: inherit;
  font-size: 0.9rem;
}
.chat-input-row button {
  background: var(--teal);
  color: var(--white);
  border: none;
  border-radius: 10px;
  padding: 0 16px;
  font-weight: 700;
  cursor: pointer;
}

@media (max-width: 720px) {
  .portal-topbar .container { flex-direction: column; gap: 12px; align-items: flex-start; }
  .data-table { display: block; overflow-x: auto; white-space: nowrap; }
}